104605697646 has 96 divisors (see below), whose sum is σ = 247823721600. Its totient is φ = 32978210400.

The previous prime is 104605697597. The next prime is 104605697663. The reversal of 104605697646 is 646796506401.

104605697646 is a `hidden beast` number, since 1 + 0 + 4 + 6 + 0 + 569 + 76 + 4 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 104605697592 and 104605697601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5706696 + ... + 5724996.

It is an arithmetic number, because the mean of its divisors is an integer number (2581497100).

Almost surely, 2^104605697646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104605697646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123911860800).

104605697646 is an abundant number, since it is smaller than the sum of its proper divisors (143218023954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104605697646 is a wasteful number, since it uses less digits than its factorization.

104605697646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18956 (or 18944 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 104605697646 in words is "one hundred four billion, six hundred five million, six hundred ninety-seven thousand, six hundred forty-six".